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Add Group#getBounds().

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This commit is contained in:
Jonathan Puckey 2011-02-17 00:34:01 +01:00
parent 52b69817a0
commit 7e404703c8
1 changed files with 18 additions and 0 deletions
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18
src/item/Group.js
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@ -17,6 +17,24 @@ Group = Item.extend({
} }
}, },
getBounds: function() {
if(this.children.length) {
var rect = this.children[0].bounds;
var x1 = rect.x;
var y1 = rect.y;
var x2 = rect.x + rect.width;
var y2 = rect.y + rect.height;
for(var i = 1, l = this.children.length; i < l; i++) {
var rect2 = this.children[i].bounds;
x1 = Math.min(rect2.x, x1);
y1 = Math.min(rect2.y, y1);
x2 = Math.max(rect2.x + rect2.width, x1 + x2 - x1);
y2 = Math.max(rect2.y + rect2.height, y1 + y2 - y1);
}
}
return new Rectangle(x1, y1, x2 - x1, y2 - y1);
},
/** /**
* Specifies whether the group item is to be clipped. * Specifies whether the group item is to be clipped.
* When setting to true, the first child in the group is automatically * When setting to true, the first child in the group is automatically